(1994). Recent trends in data type specification: 9th Workshop on Specification of Abstract Data Types, joint with the 4th COMPASS Workshop, Caldes de Malavella, Spain, October 26-30, 1992 : selected papers / Hartmut Ehrig, Fernando Orejas, eds.
Tohutoru Kātū Chicago (17th ed.)Recent Trends in Data Type Specification: 9th Workshop on Specification of Abstract Data Types, Joint with the 4th COMPASS Workshop, Caldes De Malavella, Spain, October 26-30, 1992 : Selected Papers / Hartmut Ehrig, Fernando Orejas, Eds. 1994.
Tohutoro MLA (9th ed.)Recent Trends in Data Type Specification: 9th Workshop on Specification of Abstract Data Types, Joint with the 4th COMPASS Workshop, Caldes De Malavella, Spain, October 26-30, 1992 : Selected Papers / Hartmut Ehrig, Fernando Orejas, Eds. 1994.